Question: 700 Instructors from Ratemyprofessors.com are rated for easiness (a higher number means easier). The instructors are also grouped by hotness (No or Yes) . Minitab

700 Instructors from Ratemyprofessors.com are rated for easiness (a higher number

means easier). The instructors are also grouped by "hotness" (No or Yes)

700 Instructors from Ratemyprofessors.com are rated for easiness (a higher number means easier). The instructors are also grouped by "hotness" (No or Yes) . Minitab output is shown below Variable N Mean StDev Minimum Q1 Median Q3 Maximum Hotness=No 440 3. 20 0. 75 1.2 2. 6 3.2 3. 8 5.0 Hotness=Yes 260 3. 55 0 . 64 2.0 3.1 3. 6 4.0 4.9 . . .. ... ... ... .. . ... ... . ..... ... .... ..... ... ... .... .... ..... ... .. ..... ... .. ..... ....0 ..... ... -7 .. .... .... .... ......... ..... ... ...... .. ... .. ..... .. ...... ...... . .... hot No .. .... Yes 1.2 1.8 2.4 3.0 3.6 4.8 easiness . Calculate the z-score for a "Hotness=Yes" instructor with an easiness rating of 2.9 . Calculate the z-score for a "Hotness=No" instructor with an easiness rating of 2.9 . Which result is more unusual? Explain

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